<template>
    <div class="icons">
       <swiper ref="mySwiper" >
         
        <swiper-slide v-for="(page,index) of pages" :key="index">
          <div class="icon"
            v-for="item of page"
            :key="item.id"
          >
            <div class='icon-img'>
              <img class='icon-img-content' :src="item.imgUrl" alt="" />
            </div>
            <p class="icon-desc">{{item.desc}}</p>
          </div>
        </swiper-slide>
       </swiper>
         
    </div>
</template>

<script>
    export default {
        name:"HomeIcons",
        props:{
          list:Array
        },
        computed: {
          pages(){
            const pages=[]
            this.list.forEach((item,index)=>{
              const page = Math.floor(index/8)
              if(!pages[page]){
                pages[page] = []
              }
              pages[page].push(item)
            })
            return pages;
          }
        },
    }
</script>

<style lang="stylus" scoped>
@import '~@style/varibles.styl'
@import '~@style/mixins.styl'
  .icons >>> .swiper-container
    height 0
    padding-bottom 50%
.icons
  margin-top .1rem
  .icon
  // 这里使用相同的方式进行占位
    position: relative
    overflow: hidden
    float: left
    width: 25%
    height: 0
    padding-bottom: 25%
    .icon-img
      position: absolute
      top: 0
      left: 0
      right: 0
      bottom: .44rem
      box-sizing: border-box
      padding: .1rem
      .icon-img-content
        display: block
        margin: 0 auto
        height: 100%
    .icon-desc
      position: absolute
      left: 0
      right: 0
      bottom: 0
      height: .44rem
      line-height: .44rem
      text-align: center
      color: $darkTextColor
      ellipsis()
</style>